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build: Make networking work inside LXC builder in gitian-building.md

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These are changes I needed to get gitian building to work with Debian
8.2, which is the version we tell to use.

- Set up NAT, so that container can access network beyond host
- Remove explicit cgroup setup - these are mounted automatically now
- gitian: Need `ca-certificates` and `python` for LXC builds

Github-Pull: #7060
Rebased-From: 99fda26de0661afcbe43d5e862c382e3c2e3aa5e 3b468a0e609147c7d7afd8ed97bf271f2356daef
This commit is contained in:
Wladimir J. van der Laan 2015-11-19 13:11:50 +01:00
parent 621bbd88ba
commit 5bb3e263e2
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4 changed files with 9 additions and 3 deletions
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2
contrib/gitian-descriptors/gitian-linux.yml
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@ -15,6 +15,8 @@ packages:
- "faketime" - "faketime"
- "bsdmainutils" - "bsdmainutils"
- "binutils-gold" - "binutils-gold"
- "ca-certificates"
- "python"
reference_datetime: "2016-01-01 00:00:00" reference_datetime: "2016-01-01 00:00:00"
remotes: remotes:
- "url": "https://github.com/bitcoin/bitcoin.git" - "url": "https://github.com/bitcoin/bitcoin.git"

2
contrib/gitian-descriptors/gitian-osx.yml
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@ -18,6 +18,8 @@ packages:
- "libcap-dev" - "libcap-dev"
- "libz-dev" - "libz-dev"
- "libbz2-dev" - "libbz2-dev"
- "ca-certificates"
- "python"
reference_datetime: "2016-01-01 00:00:00" reference_datetime: "2016-01-01 00:00:00"
remotes: remotes:
- "url": "https://github.com/bitcoin/bitcoin.git" - "url": "https://github.com/bitcoin/bitcoin.git"

2
contrib/gitian-descriptors/gitian-win.yml
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@ -18,6 +18,8 @@ packages:
- "g++-mingw-w64" - "g++-mingw-w64"
- "nsis" - "nsis"
- "zip" - "zip"
- "ca-certificates"
- "python"
reference_datetime: "2016-01-01 00:00:00" reference_datetime: "2016-01-01 00:00:00"
remotes: remotes:
- "url": "https://github.com/bitcoin/bitcoin.git" - "url": "https://github.com/bitcoin/bitcoin.git"

6
doc/gitian-building.md
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@ -259,15 +259,15 @@ adduser debian sudo
Then set up LXC and the rest with the following, which is a complex jumble of settings and workarounds: Then set up LXC and the rest with the following, which is a complex jumble of settings and workarounds:
```bash ```bash
# the version of lxc-start in Debian 7.4 needs to run as root, so make sure # the version of lxc-start in Debian needs to run as root, so make sure
# that the build script can execute it without providing a password # that the build script can execute it without providing a password
echo "%sudo ALL=NOPASSWD: /usr/bin/lxc-start" > /etc/sudoers.d/gitian-lxc echo "%sudo ALL=NOPASSWD: /usr/bin/lxc-start" > /etc/sudoers.d/gitian-lxc
# add cgroup for LXC
echo "cgroup /sys/fs/cgroup cgroup defaults 0 0" >> /etc/fstab
# make /etc/rc.local script that sets up bridge between guest and host # make /etc/rc.local script that sets up bridge between guest and host
echo '#!/bin/sh -e' > /etc/rc.local echo '#!/bin/sh -e' > /etc/rc.local
echo 'brctl addbr br0' >> /etc/rc.local echo 'brctl addbr br0' >> /etc/rc.local
echo 'ifconfig br0 10.0.3.2/24 up' >> /etc/rc.local echo 'ifconfig br0 10.0.3.2/24 up' >> /etc/rc.local
echo 'iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE' >> /etc/rc.local
echo 'echo 1 > /proc/sys/net/ipv4/ip_forward' >> /etc/rc.local
echo 'exit 0' >> /etc/rc.local echo 'exit 0' >> /etc/rc.local
# make sure that USE_LXC is always set when logging in as debian, # make sure that USE_LXC is always set when logging in as debian,
# and configure LXC IP addresses # and configure LXC IP addresses